DBA · Wyoming

How to File a Trade Name for an LLC in Wyoming

By Edmond Hui · Last updated October 6, 2026

Short answer

Wyoming does not require an LLC to register a trade name; registering is optional. Registering a trade name is voluntary in Wyoming. The name must already be in use in Wyoming when you apply. An LLC files the Application for Registration of Trade Name with the Secretary of State, Business Division. The filing fee is $100.00.

Wyoming Trade Name at a Glance

Requirement: Optional
Where to file: Secretary of State, Business Division
Fee: $100.00
How long it lasts: 10 years
Newspaper notice: None found
File online: Not confirmed

How an LLC Files

An LLC files the Application for Registration of Trade Name with the Secretary of State, Business Division.

Filing needs acknowledgment before a clerk or notary, a notarized signature, the name already in use, the LLC registered on the state's records and the LLC in active status on the state's records.

Wyoming does not require a DBA filing, but you may register a trade name with the Secretary of State. The application must be notarized and mailed with the fee, and the name must already be in use in Wyoming.

Open the filing office's site

Cost and Renewal

The filing fee is $100.00.

The registration has a 10-year term.

It can be renewed for further 10-year periods, and a renewal may be filed only within the six months before the term ends.

Renewal costs $50.00.

Publication

We found no publication step for an LLC's trade name filing in Wyoming.

Sole proprietors

Wyoming does not require a sole proprietor to register a trade name; registering is optional. Registering a trade name is voluntary in Wyoming. The name must already be in use in Wyoming when you apply.

A sole proprietor files the Application for Registration of Trade Name with the Secretary of State, Business Division.

Filing needs acknowledgment before a clerk or notary, a notarized signature and the name already in use.

The filing fee is $100.00.

The registration has a 10-year term.

It can be renewed for further 10-year periods, and a renewal may be filed only within the six months before the term ends.

Renewal costs $50.00.

We found no publication step for a sole proprietor's trade name filing in Wyoming.

Requirement	Optional
Where to file	Secretary of State, Business Division
Fee	$100.00
How long it lasts	10 years
Newspaper notice	None found
File online	Not confirmed

Next steps

Frequently Asked Questions

: Wyoming does not require an LLC to register a trade name; registering is optional. Registering a trade name is voluntary in Wyoming. The name must already be in use in Wyoming when you apply.
: An LLC files the Application for Registration of Trade Name with the Secretary of State, Business Division. Filing needs acknowledgment before a clerk or notary, a notarized signature, the name already in use, the LLC registered on the state's records and the LLC in active status on the state's records.
: The filing fee is $100.00.
: The registration has a 10-year term. It can be renewed for further 10-year periods, and a renewal may be filed only within the six months before the term ends. Renewal costs $50.00.
: We found no publication step for an LLC's trade name filing in Wyoming.
: Wyoming does not require a sole proprietor to register a trade name; registering is optional. Registering a trade name is voluntary in Wyoming. The name must already be in use in Wyoming when you apply. A sole proprietor files the Application for Registration of Trade Name with the Secretary of State, Business Division.

This guide is general information, not legal or tax advice, and reading it does not create an attorney-client relationship. It reports what each state's filing office publishes about registering a business name, with the sources this page cites. A filing here does not register a federal trademark, and fees and forms change between our reviews. Confirm with the office named on this page before you file.

Sources

Each entry below is a document recorded in our verified Wyoming sources, and each entry says what the document is. Some statutory text is read from an accurate mirror rather than from the state's own host, and those say so.

wyoleg.gov/statutes/compress/title40.pdfWyoming Statutes Title 40, Chapter 2, Trade Names Registration (W.S. 40-2-101 to 40-2-111)
sos.wyo.gov/faqs.aspx?root=BUSWyoming Secretary of State, Business FAQs
sos.wyo.gov/Forms/Business/TN/TN-RegistrationApplication.pdfWyoming Secretary of State, Application for Registration of Trade Name, with instructions
sos.wyo.gov/Forms/Default.aspx?root=BusinessWyoming Secretary of State, Business Forms

Edmond Hui · Founder, MyStateLLC

Edmond Hui is a software engineer and serial entrepreneur based in New York who has founded multiple online businesses across e-commerce, media, and information publishing. Before transitioning into tech, he spent years as a commercial real estate professional closing deals totaling over 100,000 square feet, giving him firsthand experience with business formation and entity structuring. He built MyStateLLC to provide the free, state-specific LLC guidance he wished existed when forming his own companies.